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Top Questions
10
votes
Non-examples for the Kato-Rellich Theorem
linear-algebra
functional-analysis
pde
hilbert-spaces
examples-counterexamples
asked Jul 6, 2014 at 19:15
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10
votes
The strong operator limit of a sequence of unitary operators
hilbert-spaces
examples-counterexamples
operator-algebras
asked Sep 1, 2014 at 19:49
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Top Answers
22
Norm of self-adjoint operator
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22
Integrating $x^2e^{-x}$ using Feynman's trick?
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12
Why are randomly drawn vectors nearly perpendicular in high dimensions
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11
Upper bound for the rank of a nilpotent matrix , if $A^2 \ne 0$
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9
Forgotten old results break my motivation
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8
Dimensionality in quantum mechanics
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7
Prove $ne^{-n}$ converges to zero
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7
self-adjoint operator without eigenvalues?
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6
What are the most overpowered theorems in mathematics?
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5
Fourier-Transformation of Operator
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5
When is Leibniz' notation for derivatives useful?
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5
Hermitian and self-adjoint operators on infinite-dimensional Hilbert spaces
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